Resultados de la búsqueda
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
operations for Dissostichus eleginoides off South Georgia were assessed for interactions with seabirds and ... lines were laid from March to May 1997 using the Spanish double-line method. In accordance with CCAMLR ... specifications was also used, except during an experiment that attempted to assess the effectiveness of the ... during hauling using a randomised cluster sampling method, developed to allow representative data to be ... is important, and when deployment may be unnecessary. Experiments with a design similar to that ... setting, data on behavioural interactions with operations could not be taken; counts of visible seabirds ... -level Model I ANOVA with orthogonal contrasts. The total number of birds was found to be significantly ... converse, i.e. that the streamer line had no effect. Nevertheless, the low mortality rate with and ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Autor(es): Ashford, J.R. and J.P. Croxall
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LETTER TO DRS REID, WATTERS AND JONES IN REGARD TO “DISAPPEARANCE OF TOOTHFISH FROM MCMURDO SOUND”
Abstract: We the undersigned wish to bring to your attention a potentially grave situation that ... needs to be addressed without significant delay. Together we have worked in the Ross Sea and vicinity ... Sea ecosystem. Several recent findings indicate that the Antarctic toothfish (Dissostichus mawsoni) is ... rapidly disappearing from McMurdo Sound and vicinity, coincident with the maturation of the Ross Sea ...
Meeting Document : WG-EMM-08/20 : Autor(es): D.G. Ainley, S.F. Ackley, K. Arrigo (USA), G. Ballard (New Zealand), J.P. Barry (USA), L. Blight (Canada), P. Broady, B. Davison (New Zealand), P. Dayton, A.L. DeVries, K. Dugger, J.T. Eastman, S.D. Emslie (USA), C. Evans (New Zealand), R.A. Garrott, G. Hofmann, S. Kim, G. Kooyman, S.S. Jacobs (USA), G. Lauriano (Italy), A. Lescroël (France), D.R. MacAyeal (USA), M. Massaro (New Zealand), S. Olmastroni (Italy), P.J. Ponganis (USA), E. Robinson (New Zealand), D.B. Siniff, W.O. Smith (USA), I. Sti
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Informe de las Coordinadoras del taller conjunto CPA–SC-CAMLR sobre el cambio climático y el seguimiento
), and at WG-EMM-16 in Bologna, Italy (WG-EMM-16 Report, paragraphs 6.8 to 6.28). The CEP agreed that the ... discussions at the CEP is also provided in SC-CAMLR-XXXV/BG/09. WG-EMM also agreed that the workshop had been ... . It discussed a range of topics arising from the workshop, including: developing further links with ... priority questions in relation to climate change WG-EMM noted that it does not currently have a climate ...
Meeting Document : SC-CAMLR-XXXV/07 : Autor(es): Delegations of the United Kingdom and the USA
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Medium-term research plan for the Ross Sea toothfish fishery
uncertainties in our current knowledge that need to be addressed to fulfil the requirements of Article II. These ... , uncertainty in its ecological relationships with predators and prey, and uncertainty over other ecosystem ... effects of fishing which can be addressed over the short to medium term. However, the need to further ... be adopted by the Scientific Committee. Author(s): Delegations of New Zealand, Norway and the ...
Meeting Document : WG-FSA-14/60 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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A DESCRIPTIVE REVIEW OF THE TRAWL SYSTEMS USED IN THE ANTARCTIC KRILL FISHERY
codend. Common terms used in reference to trawling techoniques and gear are defined, with specific ... ., Davis, M., Peatman, T. Title: A DESCRIPTIVE REVIEW OF THE TRAWL SYSTEMS USED IN THE ANTARCTIC KRILL ...
Meeting Document : TASO-09/05 : Autor(es): Moir Clark, J., Davis, M., Peatman, T.
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CPUEs and body length of Antarctic krill during 1992/93 season in the fishing grounds north of Livingston Island
values at the height of summer (late February- late March).Krill with modal length of 41-45mm were ... dominant in catches, almost same as the previous season. Author(s): S. Kawaguchi, T. Ichii and M. Naganobu ...
Meeting Document : WG-Krill-94/28 : Autor(es): S. Kawaguchi, T. Ichii and M. Naganobu (Japan)
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CPUEs and body length of Antarctic krill during 1991/92 season in the fishing grounds north of Livingston Island
values at the height of summer (late January- late March). Krill with modal lengths of 41-45 mm were ... dominant in catches, ca. 5mm smaller than those for the previous season. Author(s): T. Ichii (Japan) Title ...
Meeting Document : WG-KRILL-93/25 : Autor(es): T. Ichii (Japan)
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Diet composition and observations on reproduction of Champsocephalus gunnari in Subarea 48.3 in March/April 1996, Dr Eduardo Holmberg survey
which may be related with a large availability of food (= krill). It is suggested that krill was present ... maturation stages showed that a high proportion of the mature fish sampled (79 %) were 1996 spawners, a fact ...
Meeting Document : WG-FSA-96/28 Rev. 1 : Autor(es): Marschoff, E., Barrera-Oro, E., Casaux, R.
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Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)
. specimens were compared with previous published values. This confirmed that fishes from the Antarctic ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low I ... for these differences are discussed. It is expected that the Otoliths/Scales/Bones Exchange System ...
Meeting Document : WG-FSA-88/15 : Autor(es): E. Barrera-Oro (Argentina)
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Development of the Patagonian toothfish (Dissostichus eleginoides) tagging program in Division 58.5.2, 1997–2014
adjacent to Heard Island and the McDonald Islands (HIMI, CCAMLR Division 58.5.2) since 1998, with 27,679 ... spatial pattern of releases, toothfish movement, and recapture effort, it is unlikely that these data can ... currently be used in an unbiased manner to estimate stock abundance. Developing spatially explicit models ... that account for fleet dynamics, and phenotypic variability in post-release behaviour, remains an issue ...
Meeting Document : WG-FSA-14/43 : Autor(es): D.C. Welsford, C. Péron, P.E. Ziegler and T.D. Lamb (Australia)